280147161

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{22961}}^1$

素因数の和:23061

約数の個数: 24

約数和(自身を含む): 439768224

約数和(自身を除く): 159621063

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1743, 4067, 12201, 22961, 68883, 160727, 482181, 1125089, 1905763, 3375267, 5717289, 13340341, 40021023, 93382387, 280147161]

約数ペア:

[(1, 280147161), (3, 93382387), (7, 40021023), (21, 13340341), (49, 5717289), (83, 3375267), (147, 1905763), (249, 1125089), (581, 482181), (1743, 160727), (4067, 68883), (12201, 22961)]